---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8298 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 9.9G 68G 13% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 625 10913 4 4449 15021 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:6c:25:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84790sec preferred_lft 84790sec inet6 fe80::f816:3eff:fe6c:2572/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:f7:a4:32:b9:f3 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8298) 02/06/26 _x86_64_ (4 CPU) 21:55:34 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:17 44.13 3.01 34.45 6.67 729.45 4253.81 40558.37 22:20:17 33.47 0.15 27.10 6.21 6.60 3494.89 9330.81 Average: 38.87 1.60 30.83 6.44 372.93 3879.50 25156.72 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:17 10535148 13968956 1990844 12.16 151604 3413192 2225300 12.77 751508 4705992 25304 22:20:17 11195416 15387324 566976 3.46 196244 4064448 1123052 6.45 973436 3738488 288 Average: 10865282 14678140 1278910 7.81 173924 3738820 1674176 9.61 862472 4222240 12796 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:17 lo 3390.01 3390.01 3231.40 3231.40 0.00 0.00 0.00 0.00 22:10:17 ens3 158.21 114.81 804.50 29.10 0.00 0.00 0.00 0.00 22:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:17 lo 2682.83 2682.83 2546.51 2546.51 0.00 0.00 0.00 0.00 22:20:17 ens3 126.57 108.02 122.22 151.12 0.00 0.00 0.00 0.00 22:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3041.22 3041.22 2893.61 2893.61 0.00 0.00 0.00 0.00 Average: ens3 142.60 111.46 468.00 89.28 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8298) 02/06/26 _x86_64_ (4 CPU) 21:55:34 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:17 all 53.59 0.00 3.24 0.50 0.08 42.60 22:10:17 0 52.79 0.00 3.36 0.57 0.07 43.20 22:10:17 1 53.49 0.00 2.98 0.34 0.08 43.12 22:10:17 2 54.30 0.00 3.24 0.46 0.08 41.91 22:10:17 3 53.78 0.00 3.37 0.62 0.08 42.16 22:20:17 all 43.63 0.00 2.47 0.22 0.07 53.61 22:20:17 0 43.23 0.00 2.57 0.12 0.07 54.02 22:20:17 1 45.33 0.00 2.35 0.13 0.07 52.12 22:20:17 2 44.69 0.00 2.62 0.17 0.08 52.45 22:20:17 3 41.29 0.00 2.33 0.45 0.07 55.85 Average: all 48.68 0.00 2.86 0.36 0.08 48.03 Average: 0 48.07 0.00 2.97 0.35 0.07 48.54 Average: 1 49.46 0.00 2.67 0.23 0.08 47.57 Average: 2 49.56 0.00 2.94 0.31 0.08 47.11 Average: 3 47.62 0.00 2.86 0.54 0.08 48.90